Azure doc-only apps doc update

[JV0812]

Purpose of this pull request

This pull request is to update the existing C2C source doc path to a new source page.

Select the type of change

• [ ] Minor Changes - Typos, formatting, slight revisions
• [x] Update Content - Revisions, updating sections
• [ ] New Content - New features, sections, pages, tutorials
• [ ] Site and Tools - .clabot, version updates, maintenance, dependencies, new packages for the site (Docusaurus, Gatsby, React, etc.)

Ticket (if applicable)

Update Doc only App Documentation for removing c2c reference